Mumbai Metro Card Recharge 10% Cashback, Delhi Metro 4% cashback Mumbai Metro 10% cashback offer Terms & Conditions:- promo code: MMETRO Maximum Cashback is Rs. 100. Promocode can be used 3 times per user . A card can be recharged only 3 times using this campaign. Code is valid only on Mumbai Metro. Cashback is credited within 24 hours of the transaction into user’s Paytm Wallet. Valid for All users. Valid on Web and App. Delhi Metro 10% cashback offer Terms & Conditions:- Promo code: DMETRO Flat 4% Cashback on Delhi Metro Card Recharge. Maximum Cashback is Rs. 40. Promocode can be used 3 times per user . A card can be recharged only 3 times using this campaign. Code is valid only on Delhi MetroCard Recharge. Cashback is credited within 24 hours of the transaction into user’s Paytm Wallet. Valid for All users. Valid on Web and App. https://paytm.com/metro-card-recharge